Regen docs (#373)

diff --git a/docs/dyn/iam_v1.roles.html b/docs/dyn/iam_v1.roles.html
index 887b98f..f2278e6 100644
--- a/docs/dyn/iam_v1.roles.html
+++ b/docs/dyn/iam_v1.roles.html
@@ -107,8 +107,7 @@
     { # The grantable role query response.
     "roles": [ # The list of matching roles.
       { # A role in the Identity and Access Management API.
-        "title": "A String", # Optional.  A human-readable title for the role.  Typically this
-            # is limited to 100 UTF-8 bytes.
+        "description": "A String", # Optional.  A human-readable description for the role.
         "name": "A String", # The name of the role.
             #
             # When Role is used in CreateRole, the role name must not be set.
@@ -116,7 +115,8 @@
             # When Role is used in output and other input such as UpdateRole, the role
             # name is the complete path, e.g., roles/logging.viewer for curated roles
             # and organizations/{ORGANIZATION_ID}/roles/logging.viewer for custom roles.
-        "description": "A String", # Optional.  A human-readable description for the role.
+        "title": "A String", # Optional.  A human-readable title for the role.  Typically this
+            # is limited to 100 UTF-8 bytes.
       },
     ],
   }</pre>